Wadsleyite
Mg2SiO4IMA symbol: Wdsapproved
Wadsleyite is a silicate mineral with the formula Mg2SiO4, crystallizing in the orthorhombic system. It has a calculated density of 3.473 g/cm3.
Crystallography
| Crystal system | orthorhombic crystal systemWikidata (CC0) |
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| Space group | I m m a |
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| Cell (Å, °) | a = 5.7016, b = 11.4427, c = 8.2491; α = 90, β = 90, γ = 90 |
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| Cell volume | 538.185 ų, Z = 8 |
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| Axial ratios | 0.4983:1:0.7209calculated from COD 9015858 |
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| Source structure | COD 9015858 (American Mineralogist, 2012) — 1 of 43 structures |
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Powder X-ray diffraction (calculated)
| d (Å) | 1.443 | 2.442 | 2.019 | 2.623 | 2.674 | 3.208 |
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| I/I₀ | 100 | 85.3 | 72.6 | 51.2 | 42.1 | 39.2 |
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xrd-v1: CuKa1 1.5406A, 2theta 5-90, top10, Imax=100, no DW/PO. Computed from COD 9015858; idealized occupancies, no preferred orientation.
Physical properties
| Density (calculated) | 3.473 g/cm³calculated from COD 9015858 |
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Chemistry (calculated)
| Molecular weight | 140.69 g/molcalculated from the IMA formula |
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| Composition (wt%) | Mg 34.55%, Si 19.96%, O 45.49% |
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Classification
| Nickel-Strunz (10th) | 9.BE.02Wikidata (CC0) |
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| Nickel-Strunz (9th) | 9.BE.02Wikidata (CC0) |
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| Dana (8th) | 51.3.4.1Wikidata (CC0) |
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